On Wed, Jul 11, 2012 at 6:49 AM, Simon Glass sjg@google.com wrote:

Hi Stephen,

On Fri, Jun 15, 2012 at 1:39 AM, Stephen Warren swarren@wwwdotorg.orgwrote:

...

On 06/13/2012 10:19 AM, Simon Glass wrote:

...

From: Wei Ni wni@nvidia.com

Add support for the LCD peripheral at the Tegra2 SOC level. A separate LCD driver will use this functionality to configure the display.

...

diff --git a/arch/arm/include/asm/arch-tegra2/display.h

b/arch/arm/include/asm/arch-tegra2/display.h

...

+/**

• • Perform the next stage of the LCD init if it is time to do so.
• • LCD init can be time-consuming because of the number of delays we

need

...

• • while waiting for the backlight power supply, etc. This function can
• • be called at various times during U-Boot operation to advance the
• • initialization of the LCD to the next stage if sufficient time has
• • passed since the last stage. It keeps track of what stage it is up

to

...

• • and the time that it is permitted to move to the next stage.
• • The final call should have wait=1 to complete the init.
• • @param blob fdt blob containing LCD information
• • @param wait 1 to wait until all init is complete, and then

return

...

• •       0 to return immediately, potentially doing nothing if it
    

is

...

• •       not yet time for the next init.
    

• */

+int tegra_lcd_check_next_stage(const void *blob, int wait);

The prototype in the header seems to be the only mention of this function.

In my copy of the patches it is defined in the driver (drivers/video/tegra.c). I will move it to the same patch.

Regards, Simon